Photodegradation of dye pollutants on silica gel supported TiO 2 particles under visible light irradiation

  title={Photodegradation of dye pollutants on silica gel supported TiO 2 particles under visible light irradiation},
  author={Ying Chen and Kan Wang and Liping Lou},
In this paper, silica gel supported titanium dioxide particles (TiO 2/SiO2) prepared by acid-catalyzed sol–gel method was as photocatalyst in the degradation of acid orange 7 (AO7) in water under visible light irradiation. The particles were characterized by X-ray diffraction, BET specific surface area determination, and point of zero charge measurement. The supported catalyst had large surface area, high thermal stability and good sedimentation ability. The photodegradation rate of AO7 under… CONTINUE READING
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